uh let's see, I'm on week 2 of trying to hatch a shiney trapinch, still trying...
I tried for 3 days to get a starter shiney treeko, I gave up after seeing the poochyena shiney and getting sooo mad!!
This one's just plain stupidity, on one play of ruby, I caught a shiney Linoone, Claydol(risk of explosion) and Oddish(Safari zone) Shortly after I though, "I think I want to start a new game, but what about these shines. Well If I found 3, It shouldn't be hard to find them again." 3 years later, I have only ever found a shiney shroomish which was about 2-3 weeks ago.